News
Scientists decipher the geological history of the Grand Canyon
1+ day, 23+ hour ago (743+ words) The Grand Canyon is a marvel on the landscape of North America, a breathtaking geological feature in the southwestern state of Arizona presenting dramatic contours and richly colored vistas. Research is now providing insight into how and when the Colorado…...
Volcano Watch: What gases trapped inside crystals tell us
2+ mon, 5+ day ago (68+ words) Hawaii Tribune-Herald Volcano Watch: What gases trapped inside crystals tell us Image of an olivine crystal taken with a petrographic microscope. A) Olivine with melt inclusion (honey color) with a vapor gas bubble inside it (black circle). B) Zoomed in view of…...
UH report confirms 2025 was isle's second-driest year on record
2+ mon, 2+ week ago (532+ words) A study released Wednesday by the University of Hawaii Sea Grant College Program found that Hawaii Island experienced its second-driest year in 106 years, with 2010 the only year that was drier. The inaugural Hawaii Annual Climate Report 2025 also notes that the…...
Volcano Watch: When it rained rocks " tephra fall during Kilauea's episode 41
2+ mon, 2+ week ago (597+ words) Large lava fountains streamed from both the north and south vents reaching heights of at least 1475 feet (450 meters) during episode 41 of Kilauea's summit eruption on Jan. 24, 2026. Strong updrafts coupled with light winds blowing to the east and north sent lava…...
Volcano Watch: What do small earthquakes beneath Kilauea summit mean for the ongoing eruption?
2+ mon, 3+ week ago (560+ words) This map depicts the locations of approximately 300 earthquakes that have occurred between Jan. 12 and 22 in the summit region of Kilauea volcano. Most earthquakes have been smaller than magnitude-2, with locations broadly distributed beneath Halema'uma'u and the south caldera region of…...
Much of E. Hawaii had less than 50% of average rainfall in 2025
3+ mon, 1+ week ago (724+ words) The Big Island experienced an acutely arid 2025. According to the National Weather Service, seven gauges in the Hamakua and Hilo districts recorded their driest calendar years on record " most notably the Hilo International Airport, which had its driest year since…...
Volcano Watch: A look back on the episodic Kilauea Iki eruption in 1959
3+ mon, 1+ week ago (784+ words) Aseries of lava fountains building a cone perched on the crater rim " sounds like the ongoing eruption in Halema'uma'u at the summit of Kilauea, but this description could also fit the Kilauea Iki eruption in 1959. Let's compare these two episodic…...
Volcano Watch: "It's a twister! Or is it?' Unraveling Kilauea's volcanic whirlwinds
3+ mon, 3+ week ago (724+ words) Despite the popularity of "Wicked" lately, we're not talking about that particular twister. We're talking about the tornado- or whirlwind-like phenomenon that has shown up frequently over the past year of eruptive episodes at Kilauea's summit. Often spotted by onlookers…...
Volcano Watch: One year of Kilauea's episodic summit fountaining
3+ mon, 4+ week ago (411+ words) On Dec. 23, 2024, a unique eruption began in Kilauea's Halema'uma'u crater, with a style of activity not seen for nearly 40 years. The eruption, characterized by high lava-fountaining episodes, has continued for nearly a year. Hawaii Volcanoes National Park visitors see remarkable…...
Volcano Watch: Announcing January 2026 Volcano Awareness Month events
4+ mon, 6+ day ago (367+ words) As the year 2025 comes to a close, we reflect on the historic past year of volcanic activity on the Island of Hawaii. Thirty-eight episodes of lava fountaining at the summit of Kilauea remind us that we live on a volcanic…...